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hot dip galvanized square steel tu
Square / Rectangular Alloy Steel Pipe ASTM A519 4130 Steel For General Structural
Material: 4130 4140 35CrMo 42CrMo etc
Standard: ASTM A500 Seamless Steel Rectangle Tubing
Cold-Formed Welded Carbon Structural Tubing in Rounds and Shapes
Rectagnle and Square
Applications: for construction of bridges, and buildings, and for general strcutrual purposes,
For Algricultrual Michinery, Engineering etc.
Size range: Square tubes O.D. :20-20 to 500-500mm
W.T.:1-24mm L:max12000mm
Rectangle tubes O.D. :20-30 to 400-600mm
W.T.:1-24mm L:max12000mm
Heat treatment: Stress relieves and Annealing and QT etc ,Assure good performance in application.
erw welded square pipe
Detailed Images
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring
Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield
Strength, Elongation, Hardness,
Impact, Mictrostruture etc
8~ Packing and Stocking.
A: A professional steel pipes materials inventor, manufacturer and solution provider
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample of ASTM A519 4130 Steel Rectangular Tubing for free charge but need pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Square / Rectangular Alloy Steel Pipe ASTM A519 4130 Steel For General Structural
